To view a history of your Apple purchases, follow the instructions in the link below. Take a screenshot of any relevant purchases of The 4 Blades Magazine for us to follow up on. If there are any dates that are not clear as to if purchases were made for The 4 Blades or not (or what the purchases were), please tap the arrow to get further information (for example, title of the issue etc).
https://support.apple.com/en-au/HT204088
Why should I migrate my billing from iTunes / Google Play directly to The 4 Blades?